The CORR Procedure
- Overview
- Getting Started
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Syntax
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DetailsPearson Product-Moment CorrelationSpearman Rank-Order CorrelationKendall’s Tau-b Correlation CoefficientHoeffding Dependence CoefficientPartial CorrelationFisher’s z TransformationPolychoric CorrelationPolyserial CorrelationCronbach’s Coefficient AlphaConfidence and Prediction EllipsesMissing ValuesIn-Database ComputationOutput TablesOutput Data SetsODS Table NamesODS Graphics
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ExamplesComputing Four Measures of AssociationComputing Correlations between Two Sets of VariablesAnalysis Using Fisher’s z TransformationApplications of Fisher’s z TransformationComputing Polyserial CorrelationsComputing Cronbach’s Coefficient AlphaSaving Correlations in an Output Data SetCreating Scatter PlotsComputing Partial Correlations
- References
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Anderson, T. W. (1984), An Introduction to Multivariate Statistical Analysis, 2nd Edition, New York: John Wiley & Sons.
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Blum, J. R., Kiefer, J., and Rosenblatt, M. (1961), “Distribution Free Tests of Independence Based on the Sample Distribution Function,” Annals of Mathematical Statistics, 32, 485–498.
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Cox, N. R. (1974), “Estimation of the Correlation between a Continuous and a Discrete Variable,” Biometrics, 30, 171–178.
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Cronbach, L. J. (1951), “Coefficient Alpha and the Internal Structure of Tests,” Psychometrika, 16, 297–334.
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Drasgow, F. (1986), “Polychoric and Polyserial Correlations,” in S. Kotz, N. L. Johnson, and C. B. Read, eds., Encyclopedia of Statistical Sciences, volume 7, 68–74, New York: John Wiley & Sons.
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Fisher, R. A. (1921), “On the 'Probable Error' of a Coefficient of Correlation Deduced from a Small Sample,” Metron, 1, 3–32.
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Fisher, R. A. (1936), “The Use of Multiple Measurements in Taxonomic Problems,” Annals of Eugenics, 7, 179–188.
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Fisher, R. A. (1973), Statistical Methods for Research Workers, 14th Edition, New York: Hafner Publishing.
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Hoeffding, W. (1948), “A Non-parametric Test of Independence,” Annals of Mathematical Statistics, 19, 546–557.
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Hollander, M. and Wolfe, D. A. (1999), Nonparametric Statistical Methods, 2nd Edition, New York: John Wiley & Sons.
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Keeping, E. S. (1962), Introduction to Statistical Inference, New York: D. Van Nostrand.
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Knight, W. E. (1966), “A Computer Method for Calculating Kendall’s Tau with Ungrouped Data,” Journal of the American Statistical Association, 61, 436–439.
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Noether, G. E. (1967), Elements of Nonparametric Statistics, New York: John Wiley & Sons.
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Nunnally, J. C. and Bernstein, I. H. (1994), Psychometric Theory, 3rd Edition, New York: McGraw-Hill.
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Olsson, U. (1979), “Maximum Likelihood Estimation of the Polychoric Correlation Coefficient,” Psychometrika, 12, 443–460.
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Olsson, U., Drasgow, F., and Dorans, N. J. (1982), “The Polyserial Correlation Coefficient,” Biometrika, 47, 337–347.
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Yu, C. H. (2001), “An Introduction to Computing and Interpreting Cronbach Coefficient Alpha in SAS,” in Proceedings of the Twenty-Sixth Annual SAS Users Group International Conference, Cary, NC: SAS Institute Inc.